JP3109461B2 - ローパスフィルタ - Google Patents

ローパスフィルタ

Info

Publication number
JP3109461B2
JP3109461B2 JP09244134A JP24413497A JP3109461B2 JP 3109461 B2 JP3109461 B2 JP 3109461B2 JP 09244134 A JP09244134 A JP 09244134A JP 24413497 A JP24413497 A JP 24413497A JP 3109461 B2 JP3109461 B2 JP 3109461B2
Authority
JP
Japan
Prior art keywords
resistor
input terminal
input
signal
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP09244134A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1188114A (ja
Inventor
豊 高橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP09244134A priority Critical patent/JP3109461B2/ja
Priority to EP98117001A priority patent/EP0902535B1/de
Priority to DE69836362T priority patent/DE69836362T2/de
Priority to US09/150,298 priority patent/US6369645B1/en
Priority to CNB981176887A priority patent/CN1144365C/zh
Publication of JPH1188114A publication Critical patent/JPH1188114A/ja
Application granted granted Critical
Publication of JP3109461B2 publication Critical patent/JP3109461B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier

Landscapes

  • Networks Using Active Elements (AREA)
JP09244134A 1997-09-09 1997-09-09 ローパスフィルタ Expired - Fee Related JP3109461B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP09244134A JP3109461B2 (ja) 1997-09-09 1997-09-09 ローパスフィルタ
EP98117001A EP0902535B1 (de) 1997-09-09 1998-09-08 Tiefpassfilter mit Summierfunktion
DE69836362T DE69836362T2 (de) 1997-09-09 1998-09-08 Tiefpassfilter mit Summierfunktion
US09/150,298 US6369645B1 (en) 1997-09-09 1998-09-09 Low-pass filter with a summing function
CNB981176887A CN1144365C (zh) 1997-09-09 1998-09-09 具有加法效应的低通滤波器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09244134A JP3109461B2 (ja) 1997-09-09 1997-09-09 ローパスフィルタ

Publications (2)

Publication Number Publication Date
JPH1188114A JPH1188114A (ja) 1999-03-30
JP3109461B2 true JP3109461B2 (ja) 2000-11-13

Family

ID=17114275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP09244134A Expired - Fee Related JP3109461B2 (ja) 1997-09-09 1997-09-09 ローパスフィルタ

Country Status (5)

Country Link
US (1) US6369645B1 (de)
EP (1) EP0902535B1 (de)
JP (1) JP3109461B2 (de)
CN (1) CN1144365C (de)
DE (1) DE69836362T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002150675A (ja) 2000-11-06 2002-05-24 Sony Corp 記録装置及び方法、再生装置及び方法、並びに記憶媒体
TW586264B (en) * 2003-04-14 2004-05-01 Realtek Semiconductor Corp Amplifying circuit
US20040251988A1 (en) * 2003-06-16 2004-12-16 Manish Sharma Adjustable phase change material resistor
TW595091B (en) * 2003-09-08 2004-06-21 Realtek Semiconductor Corp Low pass filter
US20050151576A1 (en) * 2003-09-23 2005-07-14 Chao-Cheng Lee Adjustable impedance circuit
TWI257767B (en) * 2005-03-03 2006-07-01 Realtek Semiconductor Corp Filtering device having multiple inputs and multiple feedback paths
US7268718B1 (en) * 2006-07-17 2007-09-11 Fortemedia, Inc. Capacitor-based digital-to-analog converter for low voltage applications
WO2010038331A1 (ja) 2008-09-30 2010-04-08 パナソニック株式会社 共振器およびオーバーサンプリングａ／ｄ変換器
US8120417B2 (en) * 2009-07-20 2012-02-21 Texas Instruments Incorporated Transfer-function control in an active filter
US8901995B2 (en) * 2010-11-10 2014-12-02 Texas Instruments Incorporated Active low pass filter
CN103248336B (zh) * 2012-02-09 2016-04-06 联发科技股份有限公司 滤波器
US10056915B2 (en) * 2015-07-16 2018-08-21 Semiconductor Components Industries, Llc Digital-to-analog converter
US10340891B1 (en) * 2017-12-19 2019-07-02 Quantenna Communications, Inc. Differential elliptic filter with a single op-amp

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784924A (en) * 1972-01-31 1974-01-08 Us Navy Multi-input loop filter with independent bandwidth and response characteristics
US3916322A (en) * 1974-03-13 1975-10-28 Austin W Nelson Tone synthesizer for electronic musical instruments
JPS63300613A (ja) 1987-05-29 1988-12-07 Nec Corp 能動フィルタ
JPH01321716A (ja) 1988-06-23 1989-12-27 Nec Corp 能動フイルタ
US5049831A (en) * 1990-03-29 1991-09-17 Motorola, Inc. Single-ended input to differential output amplifier with integral two-pole filter
JPH0746083A (ja) * 1993-07-27 1995-02-14 Toshiba Corp 音声合成兼帯域制限回路及び低音増強回路
US5418492A (en) * 1993-10-01 1995-05-23 Industrial Technology Research Institute Fully differential non-op-amp-based positive feedback BJT biquad filter
JPH08307204A (ja) 1995-04-28 1996-11-22 Meidensha Corp 複数入力フィルタ回路
JPH08307205A (ja) 1995-04-28 1996-11-22 Meidensha Corp 複数入力フィルタ回路
US5614864A (en) * 1995-09-29 1997-03-25 Rockwell Science Center, Inc. Single-ended to differential converter with relaxed common-mode input requirements
KR19980082276A (ko) 1997-05-02 1998-12-05 김영환 디지탈 비디오 디스크 플레이어(dvdp)의 이퀄라이저

Also Published As

Publication number Publication date
DE69836362D1 (de) 2006-12-21
CN1214572A (zh) 1999-04-21
DE69836362T2 (de) 2007-09-06
US6369645B1 (en) 2002-04-09
JPH1188114A (ja) 1999-03-30
CN1144365C (zh) 2004-03-31
EP0902535A3 (de) 2002-07-17
EP0902535A2 (de) 1999-03-17
EP0902535B1 (de) 2006-11-08

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